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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 25, 2011. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1179 | N09 | W32 | 04 | 0010 | Beta | Mar 24, 2011 | Mar 30, 2011 | Apr 13, 2011 |
| № 1178 | S13 | E68 | 01 | 0000 | Alpha | Mar 31, 2011 | Apr 7, 2011 | Apr 21, 2011 |
| № 1177 | N21 | E37 | 03 | 0010 | Beta | Mar 29, 2011 | Apr 5, 2011 | Apr 19, 2011 |
| № 1176 | S16 | E44 | 25 | 0380 | Beta-Gamma | Mar 29, 2011 | Apr 5, 2011 | Apr 19, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to March 2011. The gray background is the average SSN index.
